The Ubuntu kernel team seems to be behind in deploying a fix for this. In the interim you can solve this by using the WireGuard project's PPA, which now has backports for 19.10. Run this command to fix your issue:
sudo add-apt-repository ppa:wireguard/wireguard && sudo apt-get update && sudo apt-get upgrade -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1856539 Title: wireguard package doesn't work on ubuntu eon To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1856539/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs